Black to play. This is a variation from Caruana-Carlsen, World Championship (Game 10), London 2018. The black queen is trapped but Carlsen had planned an ingenious counter. What is it? Answers via email to victoria@spectator.co.uk by Monday 3 December (please note early closing date). There is a prize of £20 for the first correct answer out of a hat. Please include a postal address and allow six weeks for prize delivery.
Last week’s solution 1 Re3
Last week’s winner Malcolm Burn, Tuffley, Gloucester

Disagree with half of it, enjoy reading all of it
TRY 3 MONTHS FOR $5
Our magazine articles are for subscribers only. Start your 3-month trial today for just $5 and subscribe to more than one view
Already a subscriber? Log in
Comments
Join the debate for just $5 for 3 months
Be part of the conversation with other Spectator readers by getting your first three months for $5.
UNLOCK ACCESS Just $5 for 3 monthsAlready a subscriber? Log in